Hardhat



FIG. 1 is a frontal perspective view of a hardhat showing my new design with a ventilation strip thereof shown in a closed attitude;

FIG. 2 is a rear perspective view thereof with the ventilation strip shown in an open attitude;

FIG. 3 is a front elevational view thereof with the ventilation strip shown in the closed attitude;

FIG. 4 is a rear elevational view thereof with the ventilation strip shown in the closed attitude;

FIG. 5 is a right side elevational view thereof with the ventilation strip shown in the closed attitude, the left side elevational view being a mirror image thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a hardhat, as shown and described. 